Add 80/5 and 20/84
1st number: 16 0/5, 2nd number: 20/84
80/5 + 20/84 is 341/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 5 × 84 = 420,
80/5 = 80 × 84/5 × 84 = 6720/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
20/84 = 20 × 5/84 × 5 = 100/420 - Add the two like fractions:
6720/420 + 100/420 = 6720 + 100/420 = 6820/420 - 6820/420 simplified gives 341/21
- So, 80/5 + 20/84 = 341/21
In mixed form: 165/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5+40/84 80/10+20/84 80/5+60/84 80/15+20/84 80/25+20/84 80/35+20/84